Leica EM CPD300Automated Critical Point DryerControlled Specimen Drying for Biological and Industrial Applications

LeiCA eM CPD300 – your benefits

trusted reliability

› Fully reproducible processes through full

automation

› Highly reproducible sample preparation

time saving

› Reduced process times through new Leica

filler/sample holder concept

› Minimal user interaction time through

automation and intuitive software

› Efficient synergy with Leica pre-treatment

instrument EM TP Tissue Processor

ease of use

› Ease of use by intuitive software and

integrated touch screen

› Store and recall drying programs

› Expected process time calculated

and displayed according to selected

process parameters

› Timer function

› Flexibility in sample size

› Large variety of sample holders

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Leica EM CPD300 Critical Point DryerThe new Leica EM CPD300 dries specimens such as pollen,

tissue, plants, insects, etc. as well as industrial samples,

for example Micro Electro Mechanical Systems (MEMS), in

a fully automated and controlled process. This automated,

controlled technique leads to perfect, reproducible results

and ensures the same sample quality from every run.

LeiCA eM CPD300 CritiCAL Point Dryer

CritiCAL Point Drying

The procedure of critical point drying is an

efficient method for drying delicate

samples for SEM applications. It preserves

the surface structure of a specimen which

could otherwise be damaged due to

surface tension when changing from the

liquid to gaseous state. In the past, critical

point drying was a time consuming process

with low sample reproducibility due to the

many manual operations required.

Before drying, many biological samples are

commonly prepared through fixation and

dehydration and coated after drying with

metal such as gold, platinum or palladium

to make their surfaces electrically

conductive for SEM analysis.

Leica Design by W. Hölbl

LeiCA eM CPD300 – your benefits

Cost saving

› Minimized C02 consumption through

new Leica filler/sample holder

concept

› Minimal user interaction time

enhanced safety for user

› Increased safety by software con-

trolled temperature and pressure cut

off function

› Integrated waste separator avoids

direct contact

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The New Leica Filler Concept – Reduced CO2 Consumption and Process TimeSample container with sample holder and filler

The Leica Filler Concept was developed to meet customer demands to reduce CO2 con-

sumption and process time. With the ability to adjust the chamber volume to the sample

size, the exchange volume is reduced, thus minimizing process time and CO2 consumption.

LeiCA eM CPD300 tHe neW fiLLer ConCePt – reDuCeD Co2 ConsuMPtion AnD ProCess tiMe

filler

sample holder

filler/holder setting can be programmed to reduce Co2 consumption and process time.

fiLLers: filler sizes with a volume of 1/3 and 1/6 of the chamber are available and can be combined with different sample holders and fillers. With the fillers, the chamber volume can be adjusted to the sample size. the exchange volume is reduced which leads to minimized process time and Co2 consumption.

sAMPLe ContAiner WitH quiCk reLeAse Pin: for transferring specimens immersed in exchange fluid to the pressure chamber of the critical point dryer.

HoLDer for griDs: slotted specimen holder for 32 grids. ideal for drying specimens applied to film-coated grids such as bacteria, viruses, microorganisms, etc.

CoversLiP HoLDers (can also be used without coverslips for larger samples): Holder for 22 × 22 mm square coverslips.

LeiCA eM tP steM HoLDer: the eM tP sample basket stem fits directly to the eM CPD300 tP stem holder without unloading the samples from the tP baskets. Can also be used as a universal sample holder for small specimens.

CoversLiP HoLDers (can also be used without coverslips for larger samples): Holder for 18 mm diameter coverslips.

fiLter DisCs AnD Porous Pots HoLDer: specimen holder with four numbered chambers for filter discs, porous pots etc. ideal for small specimens such as bacteria, viruses, microorganisms, etc. Can also be used without filter discs or porous pots for medium sized samples.

WAfer HoLDer: Wafer holder for four 2” wafers.

CoversLiP HoLDers (can also be used without coverslips for larger samples): Holder for 12 mm diameter coverslips.

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Intuitive Software and User Interface with Integrated Touch Screen

Main display before programming: Left side: temperature, pressure and process time display, including timer function and holder-filler settings; right side: indicates current process status with:

Program display for storing and retrieving programs. Parameter settings for Co2 in, fillers, exchange steps and gas out settings.

Pop up-filler display: filler and sample holder settings affect process time. Automated adjustment of the Co2 in time, exchange time and gas out time to filler-holder status.

Main display: After programming parameters, activated program and process time is indicated (bottom left and top right). Program can be activated with start button.

LeiCA eM CPD300 intuitive softWAre AnD user interfACe

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The Automated Leica SEM WorkflowLeica Microsystems offers a complete preparation package for SEM workflow.

The Leica EM TP is the ideal instrument for tissue processing. After dehydration of the

samples with the EM TP, the TP sample basket stem fits directly to the CPD300 TP stem

holder without unloading the samples from the TP baskets. Only one user interaction is

necessary to facilitate the workflow for dehydration and critical point drying.

Leica Microsystems provides a full range of high quality coating systems as a follow-on

procedure to critical point drying.

Leica eM tP sample holder

Leica eM sputter Coater family

›

››

›

Leica eM CPD300Critical Point Dryer

Leica eM tPtissue Processor

LeiCA eM CPD300 tHe AutoMAteD LeiCA seM WorkfLoW

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Comparison of Drying Methods

Water flea (Daphnia sp.)

LeiCA eM CPD300 CoMPArison of Drying MetHoDs

Drying method: Chemical

Drying method: Air

Drying method: Critical Point Drying with Leica CPD300

Courtesy of D. gruber, university of vienna, Austria

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Applications

Blood Cells (Erythrocytes and Lymphocytes)

Courtesy of W. Müller, university of utrecht, netherlands

LeiCA eM CPD300 APPLiCAtions

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Water flea (Daphnia sp.) (Courtesy of Mag. Daniela gruber, university of vienna, Austria)

Wall Cress (Arabidopsis thaliana), stigma (Courtesy of Dr. kim rensing, Applications specialist Leica Micro systems, university of british Columbia, Canada)

tobacco leaf (nicotiana tabacum), trichomes and stomata (Courtesy of Dr. Martin goldberg and Christine richardson, university of Durham, u.k.)

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Clawed frog (Xenopus laevis), nuclear pores (Courtesy of Dr. Martin goldberg and Christine richardson, university of Durham, u.k.)

black mold (Aspergillus niger), conidiospores (Courtesy of Dr. Wally Müller, university of utrecht, the netherlands)

tobacco leaf (nicotiana tabacum), stoma (Courtesy of Dr. Martin goldberg and Christine richardson, university of Durham, u.k.)

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www.leica-microsystems.com

WITH THE USER, FOR THE USERLeica Microsystems operates globally in four divisions, where we rank with the market leaders:

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